Home / 140,918,945.60-211,309,262.76-57,905,660

Finding the Fourth Proportional to 140,918,945.60, 211,309,262.76 and 57,905,660

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Solution

The fourth proportional to 140,918,945.60, 211,309,262.76 and 57,905,660 is: 86,830,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918,945.60 : 211,309,262.76 = 57,905,660 : x
  2. Step 2: Convert to fraction form
    140,918,945.60/211,309,262.76 = 57,905,660/x
  3. Step 3: Cross multiply
    140,918,945.60x = 211,309,262.76 × 57,905,660
  4. Step 4: Simplify right side
    140,918,945.60x = 12,236,002,324,231,222
  5. Step 5: Solve for x
    x = 12,236,002,324,231,222/140,918,945.60
  6. Step 6: Final answer
    x = 86,830,072.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.